I have a 2006 road king. The tail light and the blinkers work ok, but the head lights and the brake lights don’t work, the head lamp the fuses and the relay are good. Thanks. This is the complete factory service repair manual for the 2006 Harley Davidson Touring Flhrc Road King. This Service Manual has easy-to-read text sections with top quality diagrams and instructions.. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Khrome Werks Plug-And-Play Trailer Wiring Connector Kit w/Isolator - 720582. 2006 Harley-Davidson Road King Classic Injected - FLHRC I; 2005 Harley-Davidson Road King Classic Injected - FLHRC I I called Dennis Kirk to order the adapter and it.